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@article{SF_1994__49_2_135349, author = {G. Song}, title = {Identities of orthodox semigroup rings.}, journal = {Semigroup forum}, pages = {239--246}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {1994}, zbl = {0815.20065}, url = {http://geodesic.mathdoc.fr/item/SF_1994__49_2_135349/} }
G. Song. Identities of orthodox semigroup rings.. Semigroup forum, Tome 49 (1994) no. 2, pp. 239-246. http://geodesic.mathdoc.fr/item/SF_1994__49_2_135349/